HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice
Posted on the HHS Office for Civil Rights breach portal with a submission date of Oct. 23, 2023.
- Organization as reported
- University of Michigan, MI
- Entity type as reported
- Healthcare Provider
- Category as reported
Hacking/IT Incident
- Location of information as reported
- Network Server
- Submission date
- Oct. 23, 2023
- Observed by BreachRecords
- 2026-10-18 16:15 UTC (revision 10399, row:1538)
- Archived copy
- Held in the private archive (provenance)
The covered entity (CE), The University of Michigan, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 61,033 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license and Social Security numbers, government-issued identification numbers, claims and financial information, diagnoses and conditions, medications, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE offered free credit monitoring services and identity protection services and implemented additional administrative, technical, and security safeguards. Staff were also retrained in its requirements to protect and secure PHI.